FPROTATX.CLS Errors: Download and Troubleshoot

Last Updated: 11/26/2023
[Time to Read: ~3-5 minutes]

FPROTATX.CLS is considered a type of LaTeX Document Class file. It is most-commonly used in Office XP developed by Microsoft. It uses the CLS file extension and is considered a Mach-O fat binary executable (LaTeX Document Class) file.

The first version of FPROTATX.CLS was released for the Windows XP Operating System on 05/31/2001 inside Office XP. This file release marks the latest and most updated version from Microsoft.

Below, you find comprehensive file information, instructions for simple CLS file troubleshooting, and list of free FPROTATX.CLS downloads for each available file version.

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File Overview


General Information
File Name: FPROTATX.CLS
File Extension: CLS file extension
File Type: Developer
Description: LaTeX Document Class
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Program: Office XP
Developer: Microsoft
Software: Office
Software Version: XP
File Details
File Size (Bytes): 1259
Oldest File Date: 05/10/2017
Latest File Date: 05/10/2017


What are FPROTATX.CLS Error Messages?


General FPROTATX.CLS Runtime Errors

FPROTATX.CLS file errors often occur during the startup phase of Office, but can also occur while the program is running. These types CLS errors are also known as “runtime errors” because they occur while Office is running. Here are some of the most common FPROTATX.CLS runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Program Files\Microsoft Office\Office10\fpclass\FPROTATX.CLS

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most CLS errors are due to missing or corrupt files. Your FPROTATX.CLS file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Office), or deleted by a malware infection. Furthermore, FPROTATX.CLS file corruption could be caused from a power outage when loading Office, system crash while loading or saving FPROTATX.CLS, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix FPROTATX.CLS Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your FPROTATX.CLS issue. These troubleshooting steps are listed in the recommended order of execution.


Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. When you see the search box, type "System Restore" and press "ENTER".
  3. In the search results, find and click System Restore.
  4. Please enter the administrator password (if applicable / prompted).
  5. Follow the steps in the System Restore Wizard to choose a relevant restore point.
  6. Restore your computer to that backup image.

If the Step 1 fails to resolve the FPROTATX.CLS error, please proceed to the Step 2 below.

Step 2: If recently installed Office (or related software), uninstall then try reinstalling Office software.

You can uninstall Office software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Office XP and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Office software.

If this Step 2 fails as well, please proceed to the Step 3 below.

Office XP

Microsoft Corporation

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many FPROTATX.CLS error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

  1. Hit the Windows Start button
  2. In the search box, type "Update" and press "ENTER".
  3. In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
  4. If updates are available for download, click "Install Updates".
  5. After the update is completed, restart your PC.

If Windows Update failed to resolve the FPROTATX.CLS error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.



If Those Steps Fail: Download and Replace Your FPROTATX.CLS File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate FPROTATX.CLS file version. We maintain a comprehensive database of 100% malware-free FPROTATX.CLS files for every applicable version of Office. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download FPROTATX.CLS Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Office folder location:
    Windows XP: C:\Program Files\Microsoft Office\Office10\fpclass\
  4. Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows XP.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve FPROTATX.CLS problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.



Download FPROTATX.CLS Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying FPROTATX.CLS to your appropriate Windows system directory. Microsoft typically does not release Office CLS files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing FPROTATX.CLS and all other CLS files for Office. An incorrectly installed CLS file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows XP


Files Related to FPROTATX.CLS


CLS Files Related to FPROTATX.CLS

File Name Description Software Program (Version) File Size (bytes) File Location
FPROTATX.CLS LaTeX Document Class Office XP 1259 C:\Users\Tester\AppData\Local\Microsoft\Windows...
FPHOVERX.CLS LaTeX Document Class Office XP 1476 C:\Users\Tester\AppData\Local\Microsoft\Windows...
FPROTATE.CLS LaTeX Document Class Office XP 5883 C:\Users\Tester\AppData\Local\Microsoft\Windows...
FPHOVER.CLS LaTeX Document Class Office XP 9328 C:\Users\Tester\AppData\Local\Microsoft\Windows...

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